28195284

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{13903}}^1$

素因数の和:13936

約数の個数: 36

約数和(自身を含む): 71244096

約数和(自身を除く): 43048812

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 13903, 27806, 41709, 55612, 83418, 166836, 180739, 361478, 542217, 722956, 1084434, 2168868, 2349607, 4699214, 7048821, 9398428, 14097642, 28195284]

約数ペア:

[(1, 28195284), (2, 14097642), (3, 9398428), (4, 7048821), (6, 4699214), (12, 2349607), (13, 2168868), (26, 1084434), (39, 722956), (52, 542217), (78, 361478), (156, 180739), (169, 166836), (338, 83418), (507, 55612), (676, 41709), (1014, 27806), (2028, 13903)]